. >> stahl: sergio girotto took us to one of six shipyards in italy that have been pressed into action. at this one north of venice, they're building this huge steel platform. it's one of six platforms that'll be lowered into the water, its legs anchored into the hard granite sea floor. when the ship is rolled upright, it will roll onto them. so the ship is over there? and what, it's going to roll... >> girotto: yeah, it's going to rotate and rotate slowly to rest on this platform, exactly the same area where we are standing. >> stahl: the platforms are necessary to keep the 60,000-ton ship from sliding off its mountain peaks, down into the abyss. but getting the platforms to the wreck site is an operation in and of itself. >> girotto: and we make the tour of italy. >> stahl: they will be floated by barge from the shipyard to the shipwreck off giglio island. around the heel, around the toe and up to giglio. >> girotto: up to giglio. it is a long trip. >> stahl: how long? >> girotto: it's going to take... it's going to take 15 days. i tell you, it is a gigantic project. if you simply th